* {
  margin: 0;
  padding: 0;
  list-style: none;
}

.swiper-container {
  width: 400px;
  height: 600px;
  position: relative;
  border: 1px solid #ccc;
  left: 50%;
  margin-left: -200px;
  overflow: hidden;
}

.swiper-container .swiper-wrapper {
  width: 100%;
  height: 100%;
}

.swiper-container .swiper-wrapper .swiper-slide {
  width: 100%;
}

.swiper-container .swiper-wrapper .swiper-slide img {
  width: 100%;
  height: 100%;
}

.swiper-container .swiper-button-prev,
.swiper-container .swiper-button-next {
  width: 40px;
  height: 40px;
  background: rgba(0, 0, 0, 0.8);
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  line-height: 40px;
  text-align: center;
}

.swiper-container .swiper-button-prev {
  left: 0;
}

.swiper-container .swiper-button-next {
  right: 0;
}

.swiper-container .swiper-pagination {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  display: flex;
  justify-content: center;
}

.swiper-container .swiper-pagination li {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: gray;
  margin: 0 5px;
}

.swiper-container .swiper-pagination .yellow {
  background: yellow;
}
